local n, z = io.read("*n", "*n")
if 3 <= n then
  print("No")
elseif 1 == n then
  print(1 < z and "Yes" or "No")
else
  for i = 1, z do
    for j = i, z do
      if i * i + j * j == z * z then
        print("Yes") os.exit()
      end
    end
  end
  print("No")
end